ftp.nice.ch/pub/next/00INFO/DESC.tar.gz#/i486/serial

HayesESP_Driver.0.2.jap.README
 
Mux.1.6.README
 
Mux.1.7.README
 
MuxDriver.1.4.README
 

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.